mirror of
https://github.com/holub/mame
synced 2025-04-25 17:56:43 +03:00
(MESS) ampro : The system starts up and commands can be entered [Robbbert]
This commit is contained in:
Robbbert
parent
c7a25b17fc
commit
598840d341
@ -13,6 +13,9 @@ power supply and serial terminal.
|
||||
The later versions included a SCSI chip (NCR5380) enabling the use
|
||||
of a hard drive of up to 88MB.
|
||||
|
||||
Status: The system will start up into the monitor, as long as no disk
|
||||
has been mounted.
|
||||
|
||||
****************************************************************************/
|
||||
|
||||
#include "emu.h"
|
||||
@ -32,41 +35,55 @@ public:
|
||||
: driver_device(mconfig, type, tag)
|
||||
, m_maincpu(*this, "maincpu")
|
||||
, m_terminal(*this, TERMINAL_TAG)
|
||||
, m_fdc (*this, "fdc")
|
||||
, m_floppy0(*this, "fdc:0")
|
||||
{ }
|
||||
|
||||
DECLARE_DRIVER_INIT(ampro);
|
||||
DECLARE_MACHINE_RESET(ampro);
|
||||
DECLARE_READ8_MEMBER( ampro_20_r );
|
||||
DECLARE_READ8_MEMBER( ampro_25_r );
|
||||
DECLARE_READ8_MEMBER( ampro_26_r );
|
||||
DECLARE_WRITE8_MEMBER( ampro_20_w );
|
||||
DECLARE_READ8_MEMBER(port80_r);
|
||||
DECLARE_READ8_MEMBER(port84_r);
|
||||
DECLARE_WRITE8_MEMBER(port00_w);
|
||||
DECLARE_WRITE8_MEMBER(kbd_put);
|
||||
private:
|
||||
UINT8 m_term_data;
|
||||
required_device<cpu_device> m_maincpu;
|
||||
required_device<generic_terminal_device> m_terminal;
|
||||
required_device<wd1772_t> m_fdc;
|
||||
required_device<floppy_connector> m_floppy0;
|
||||
};
|
||||
|
||||
READ8_MEMBER( ampro_state::ampro_20_r )
|
||||
READ8_MEMBER( ampro_state::port80_r )
|
||||
{
|
||||
UINT8 ret = m_term_data;
|
||||
m_term_data = 0;
|
||||
return ret;
|
||||
}
|
||||
|
||||
READ8_MEMBER( ampro_state::ampro_25_r )
|
||||
READ8_MEMBER( ampro_state::port84_r )
|
||||
{
|
||||
return (m_term_data) ? 0x21 : 0x20;
|
||||
return (m_term_data) ? 5 : 4;
|
||||
}
|
||||
|
||||
READ8_MEMBER( ampro_state::ampro_26_r )
|
||||
/*
|
||||
d0..d3 Drive select 0-3 (we only emulate 1 drive)
|
||||
d4 Side select 0=side0
|
||||
d5 /DDEN
|
||||
d6 Banking 0=rom
|
||||
d7 FDC master clock 0=8MHz 1=16MHz (for 20cm disks, not emulated)
|
||||
*/
|
||||
WRITE8_MEMBER( ampro_state::port00_w )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( ampro_state::ampro_20_w )
|
||||
{
|
||||
m_terminal->write(space, 0, data & 0x7f);
|
||||
membank("bankr0")->set_entry(BIT(data, 6));
|
||||
m_fdc->dden_w(BIT(data, 5));
|
||||
floppy_image_device *floppy = NULL;
|
||||
if (BIT(data, 0)) floppy = m_floppy0->get_device();
|
||||
m_fdc->set_floppy(floppy);
|
||||
if (floppy)
|
||||
{
|
||||
floppy->ss_w(BIT(data, 4)); // might need inverting
|
||||
floppy->mon_w(0);
|
||||
}
|
||||
}
|
||||
|
||||
static ADDRESS_MAP_START(ampro_mem, AS_PROGRAM, 8, ampro_state)
|
||||
@ -78,6 +95,18 @@ ADDRESS_MAP_END
|
||||
static ADDRESS_MAP_START(ampro_io, AS_IO, 8, ampro_state)
|
||||
ADDRESS_MAP_UNMAP_HIGH
|
||||
ADDRESS_MAP_GLOBAL_MASK(0xff)
|
||||
AM_RANGE(0x00, 0x00) AM_WRITE(port00_w) // system
|
||||
//AM_RANGE(0x01, 0x01) AM_WRITE(port01_w) // printer data
|
||||
//AM_RANGE(0x02, 0x03) AM_WRITE(port02_w) // printer strobe
|
||||
//AM_RANGE(0x20, 0x27) AM_READWRITE() // scsi chip
|
||||
//AM_RANGE(0x28, 0x28) AM_WRITE(port28_w) // scsi control
|
||||
//AM_RANGE(0x29, 0x29) AM_READ(port29_r) // ID port
|
||||
//AM_RANGE(0x40, 0x7f) AM_READWRITE(ctc device)
|
||||
//AM_RANGE(0x80, 0x8f) AM_READWRITE(dart device)
|
||||
AM_RANGE(0x80, 0x80) AM_READ(port80_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
|
||||
AM_RANGE(0x84, 0x84) AM_READ(port84_r)
|
||||
AM_RANGE(0xc0, 0xc3) AM_DEVWRITE("fdc", wd1772_t, write)
|
||||
AM_RANGE(0xc4, 0xc7) AM_DEVREAD("fdc", wd1772_t, read)
|
||||
ADDRESS_MAP_END
|
||||
|
||||
static const z80_daisy_config daisy_chain_intf[] =
|
||||
@ -87,6 +116,55 @@ static const z80_daisy_config daisy_chain_intf[] =
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
static Z80DART_INTERFACE( dart_intf )
|
||||
{
|
||||
0, 0, 0, 0,
|
||||
|
||||
// console#3
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
|
||||
// printer
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
|
||||
DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0),
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL
|
||||
};
|
||||
|
||||
static Z80CTC_INTERFACE( ctc_intf )
|
||||
{
|
||||
DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0), // interrupt callback
|
||||
DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, rxtxcb_w), /* ZC/TO0 callback - SIO Ch B */
|
||||
DEVCB_NULL,//DEVCB_DRIVER_LINE_MEMBER(altos5_state, ctc_z1_w), /* ZC/TO1 callback - Z80DART Ch A, SIO Ch A */
|
||||
DEVCB_NULL//DEVCB_DEVICE_LINE_MEMBER("z80dart", z80dart_device, rxtxcb_w), /* ZC/TO2 callback - Z80DART Ch B */
|
||||
};
|
||||
|
||||
#if 0
|
||||
static const rs232_port_interface rs232_intf =
|
||||
{
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, dcdb_w),
|
||||
DEVCB_NULL,
|
||||
DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, rib_w),
|
||||
DEVCB_NULL //DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, ctsb_w)
|
||||
};
|
||||
#endif
|
||||
static SLOT_INTERFACE_START( ampro_floppies )
|
||||
SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
|
||||
SLOT_INTERFACE_END
|
||||
|
||||
/* Input ports */
|
||||
static INPUT_PORTS_START( ampro )
|
||||
INPUT_PORTS_END
|
||||
@ -103,7 +181,7 @@ static GENERIC_TERMINAL_INTERFACE( terminal_intf )
|
||||
|
||||
MACHINE_RESET_MEMBER( ampro_state, ampro )
|
||||
{
|
||||
membank("bankr0")->set_entry(1); // point at rom
|
||||
membank("bankr0")->set_entry(0); // point at rom
|
||||
membank("bankw0")->set_entry(0); // always write to ram
|
||||
}
|
||||
|
||||
@ -111,14 +189,14 @@ DRIVER_INIT_MEMBER( ampro_state, ampro )
|
||||
{
|
||||
UINT8 *main = memregion("maincpu")->base();
|
||||
|
||||
membank("bankr0")->configure_entry(0, &main[0x0000]);
|
||||
membank("bankr0")->configure_entry(1, &main[0x10000]);
|
||||
membank("bankr0")->configure_entry(1, &main[0x0000]);
|
||||
membank("bankr0")->configure_entry(0, &main[0x10000]);
|
||||
membank("bankw0")->configure_entry(0, &main[0x0000]);
|
||||
}
|
||||
|
||||
static MACHINE_CONFIG_START( ampro, ampro_state )
|
||||
/* basic machine hardware */
|
||||
MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
|
||||
MCFG_CPU_ADD("maincpu",Z80, XTAL_16MHz / 4)
|
||||
MCFG_CPU_PROGRAM_MAP(ampro_mem)
|
||||
MCFG_CPU_IO_MAP(ampro_io)
|
||||
MCFG_CPU_CONFIG(daisy_chain_intf)
|
||||
@ -126,15 +204,23 @@ static MACHINE_CONFIG_START( ampro, ampro_state )
|
||||
|
||||
/* video hardware */
|
||||
MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
|
||||
|
||||
/* Devices */
|
||||
MCFG_Z80CTC_ADD( "z80ctc", XTAL_16MHz / 4, ctc_intf )
|
||||
MCFG_Z80DART_ADD("z80dart", XTAL_16MHz / 4, dart_intf )
|
||||
//MCFG_RS232_PORT_ADD("rs232", rs232_intf, default_rs232_devices, "serial_terminal")
|
||||
//MCFG_TIMER_DRIVER_ADD_PERIODIC("ctc_tick", altos5_state, ctc_tick, attotime::from_hz(XTAL_16MHz / 4))
|
||||
MCFG_WD1772x_ADD("fdc", XTAL_16MHz / 16)
|
||||
MCFG_FLOPPY_DRIVE_ADD("fdc:0", ampro_floppies, "525dd", floppy_image_device::default_floppy_formats)
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
/* ROM definition */
|
||||
ROM_START( ampro )
|
||||
ROM_REGION( 0x11000, "maincpu", ROMREGION_ERASEFF )
|
||||
ROM_SYSTEM_BIOS( 0, "boot", "Boot")
|
||||
ROMX_LOAD( "boot", 0x10000, 0x1000, CRC(b3524046) SHA1(5466f7d28c1a04cfbf328095cb35ad1525e91f44), ROM_BIOS(1))
|
||||
ROM_SYSTEM_BIOS( 1, "mntr", "Monitor")
|
||||
ROMX_LOAD( "mntr", 0x10000, 0x1000, CRC(d59d0909) SHA1(936410f414b1e71445253840eea0045545e4ff0b), ROM_BIOS(2))
|
||||
ROM_SYSTEM_BIOS( 0, "mntr", "Monitor")
|
||||
ROMX_LOAD( "mntr", 0x10000, 0x1000, CRC(d59d0909) SHA1(936410f414b1e71445253840eea0045545e4ff0b), ROM_BIOS(1))
|
||||
ROM_SYSTEM_BIOS( 1, "boot", "Boot")
|
||||
ROMX_LOAD( "boot", 0x10000, 0x1000, CRC(b3524046) SHA1(5466f7d28c1a04cfbf328095cb35ad1525e91f44), ROM_BIOS(2))
|
||||
ROM_SYSTEM_BIOS( 2, "scsi", "SCSI Boot")
|
||||
ROMX_LOAD( "scsi", 0x10000, 0x1000, CRC(8eb20e5d) SHA1(0ab1ff65cf6d3c1a713a8ac5c1ee4c662ac3da0c), ROM_BIOS(3))
|
||||
ROM_END
|
||||
|
||||
Loading…
Reference in New Issue
Block a user